It describes about basic research and clinical investigation of gynecology and obstetrics, on the cellular, molecular, prevention, diagnosis, therapy and prognosis aspects. In this we can learn current clinical practice and thinking within the specialties of obstetrics and gynaecology.
it helps in obtaining information from different reflections are recomposed back into a picture on the monitor screen (a sonogram, or ultrasonogram). Movements such as fetal heart beat and malformations in the feus can be assessed and measurements can be made accurately on the images displayed on the screen. Such measurements form the cornerstone in the assessment of gestational age, size and growth in the fetus.